Dangerously dedicated vs. fully dedicated, etc.
mwm at mired.org
Fri Sep 24 09:41:43 PDT 2004
In <200301141936.aa93359 at salmon.maths.tcd.ie>, Ian Dowse <iedowse at maths.tcd.ie> typed:
> In message <vvsmvvv9m7.mvv at localhost.localdomain>, swear at attbi.com writes:
> >Mike, I'll pay back your effort in replying to this long thing by
> >working up a patch for the "disklabel" manpage (at least) and, if you
> >want, I'll CC you so you can veto things you don't like. I do worry
> (B) Dedicated format created by sysinstall
> <start of slice 1>
> <start of 'a' partition>
> sector 0: boot1 and the DOS slice table, where
> the slice table contains one slice
> (slice 1) covering the entire disk,
> including sector 0.
> sector 1: disklabel
> sector 2-15: boot2
> sectors 16-31: 'a' partition filesystem superblock
> In this case, there is no boot0, and boot1 serves as the boot
> loader that is invoked by the BIOS. Here, all of the boot code
> is contained within the first slice and also within the first
> partition. Again, the 8k reserved at the start of every ffs
> filesystem protects the boot code. Sysinstall sets up fstab to
> refer to the partitions as e.g. /dev/ad0s1a (I think).
This can also be referred to as /dev/ad0a, like your C case. I
personally prefer that because it lets you know that the disk is DD.
Mike Meyer <mwm at mired.org> http://www.mired.org/consulting.html
Independent Network/Unix/Perforce consultant, email for more information.
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